Combination Gas Law

A toy balloon has an internal pressure of 1.05 atm and a volume of 5.0 L. If the temperature where the balloon is released is 20.0 oC, what will happen to the volume when the balloon rises to an altitude where the pressure is 0.65 atm and the temperature is -15 oC?

• 1.7

• 7.1

• 7.11

• 5.4

If a sample of gas occupies 6.8 L at 327 oC, what will be its volume at 27 oC if the pressure does not change?

• 3

• 2

• 3.4

• 4

A gas is heated to 150.0oC until it occupies a volume of 12.8 L. If the original temperature was 85.0 oC, what was the original volume?

• 8.10

• 3.8

• 8

• 10.8

If I have 45 liters of helium in a balloon at 25 oC and increase the temperature of the balloon to 55 oC, what will the new volume of the balloon be?

• 13

• 133

• 50

• 55

A sample of gas has a pressure of 100.0 mm Hg and a temperature of 27.0 oC. Calculate the resulting pressure if the temperature changes to 127.0 oC while the volume remains constant.

• 133

• 13

• 45

• 1.13

A sample of sulfur dioxide occupies a volume of 652 mL at 40.° C and 720 mm Hg. What volume will the sulfur dioxide occupy at STP?

• 4mL SO2

• 5mL SO2

• 540 mL SO2

• 33mL SO2

A sample of argon has a volume of 5.0 dm3 and the pressure is 0.92 atm. If the final temperature is 30.° C, the final volume is 5.7 L, and the final pressure is 800. mm Hg, what was the initial temperature of the argon?

• -41° C

• 71° C

• 45° C

• 54° C

322 L of hydrogen occupies a volume of 197 L at STP. If the initial temperature of the hydrogen was 37° C, what was its initial pressure?

• 11 atm

• .6 atm

• 9 atm

• 0.69 atm

The initial temperature of a 1.00 liter sample of argon is 20.° C. The pressure is decreased from 720 mm Hg to 360 mm Hg and the volume increases to 2.14 liters. What was the change in temperature of the argon?

• 33° C

• 40.° C

• 60 ° C

• 4 ° C

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-4

A sample of nitrogen gas occupies a volume of 2.00 L at 756 mm Hg and 0.00° C. The volume increases by 2.00 L and the temperature decreases to 137 K. What is the final pressure exerted on the gas?

• 10 mm Hg

• 900 mm Hg

• 90 mm Hg

• 190 mm Hg